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moving to a better xeth

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This commit is contained in:
obscuren
2015-01-28 18:14:28 +01:00
parent b46e1ca97e
commit 7f638f0b2d
13 changed files with 141 additions and 454 deletions
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2
xeth/config.go
View File

@ -1,5 +1,6 @@
package xeth
/*
import "github.com/ethereum/go-ethereum/ethutil"
var cnfCtr = ethutil.Hex2Bytes("661005d2720d855f1d9976f88bb10c1a3398c77f")
@ -33,3 +34,4 @@ func (self *Config) Get(name string) *Object {
func (self *Config) Exist() bool {
return self.pipe.World().Get(cnfCtr) != nil
}
*/

154
xeth/hexface.go
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@ -11,27 +11,52 @@ import (
"github.com/ethereum/go-ethereum/state"
)
type JSXEth struct {
*XEth
// to resolve the import cycle
type Backend interface {
BlockProcessor() *core.BlockProcessor
ChainManager() *core.ChainManager
Coinbase() []byte
KeyManager() *crypto.KeyManager
IsMining() bool
IsListening() bool
PeerCount() int
Db() ethutil.Database
TxPool() *core.TxPool
}
func NewJSXEth(eth core.EthManager) *JSXEth {
return &JSXEth{New(eth)}
type JSXEth struct {
eth Backend
blockProcessor *core.BlockProcessor
chainManager *core.ChainManager
world *State
}
func NewJSXEth(eth Backend) *JSXEth {
xeth := &JSXEth{
eth: eth,
blockProcessor: eth.BlockProcessor(),
chainManager: eth.ChainManager(),
}
xeth.world = NewState(xeth)
return xeth
}
func (self *JSXEth) State() *State { return self.world }
func (self *JSXEth) BlockByHash(strHash string) *JSBlock {
hash := fromHex(strHash)
block := self.obj.ChainManager().GetBlock(hash)
block := self.chainManager.GetBlock(hash)
return NewJSBlock(block)
}
func (self *JSXEth) BlockByNumber(num int32) *JSBlock {
if num == -1 {
return NewJSBlock(self.obj.ChainManager().CurrentBlock())
return NewJSBlock(self.chainManager.CurrentBlock())
}
return NewJSBlock(self.obj.ChainManager().GetBlockByNumber(uint64(num)))
return NewJSBlock(self.chainManager.GetBlockByNumber(uint64(num)))
}
func (self *JSXEth) Block(v interface{}) *JSBlock {
@ -46,43 +71,32 @@ func (self *JSXEth) Block(v interface{}) *JSBlock {
return nil
}
func (self *JSXEth) Key() *JSKey {
return NewJSKey(self.obj.KeyManager().KeyPair())
}
func (self *JSXEth) Accounts() []string {
return []string{toHex(self.obj.KeyManager().Address())}
return []string{toHex(self.eth.KeyManager().Address())}
}
/*
func (self *JSXEth) StateObject(addr string) *JSObject {
object := &Object{self.World().safeGet(fromHex(addr))}
object := &Object{self.State().safeGet(fromHex(addr))}
return NewJSObject(object)
}
*/
func (self *JSXEth) PeerCount() int {
return self.obj.PeerCount()
}
func (self *JSXEth) Peers() []JSPeer {
var peers []JSPeer
for _, peer := range self.obj.Peers() {
peers = append(peers, *NewJSPeer(peer))
}
return peers
return self.eth.PeerCount()
}
func (self *JSXEth) IsMining() bool {
return self.obj.IsMining()
return self.eth.IsMining()
}
func (self *JSXEth) IsListening() bool {
return self.obj.IsListening()
return self.eth.IsListening()
}
func (self *JSXEth) CoinBase() string {
return toHex(self.obj.KeyManager().Address())
func (self *JSXEth) Coinbase() string {
return toHex(self.eth.KeyManager().Address())
}
func (self *JSXEth) NumberToHuman(balance string) string {
@ -92,25 +106,25 @@ func (self *JSXEth) NumberToHuman(balance string) string {
}
func (self *JSXEth) StorageAt(addr, storageAddr string) string {
storage := self.World().SafeGet(fromHex(addr)).Storage(fromHex(storageAddr))
storage := self.State().SafeGet(addr).StorageString(storageAddr)
return toHex(storage.Bytes())
}
func (self *JSXEth) BalanceAt(addr string) string {
return self.World().SafeGet(fromHex(addr)).Balance().String()
return self.State().SafeGet(addr).Balance().String()
}
func (self *JSXEth) TxCountAt(address string) int {
return int(self.World().SafeGet(fromHex(address)).Nonce)
return int(self.State().SafeGet(address).Nonce)
}
func (self *JSXEth) CodeAt(address string) string {
return toHex(self.World().SafeGet(fromHex(address)).Code)
return toHex(self.State().SafeGet(address).Code)
}
func (self *JSXEth) IsContract(address string) bool {
return len(self.World().SafeGet(fromHex(address)).Code) > 0
return len(self.State().SafeGet(address).Code) > 0
}
func (self *JSXEth) SecretToAddress(key string) string {
@ -123,15 +137,7 @@ func (self *JSXEth) SecretToAddress(key string) string {
}
func (self *JSXEth) Execute(addr, value, gas, price, data string) (string, error) {
ret, err := self.ExecuteObject(&Object{
self.World().safeGet(fromHex(addr))},
fromHex(data),
ethutil.NewValue(value),
ethutil.NewValue(gas),
ethutil.NewValue(price),
)
return toHex(ret), err
return "", nil
}
type KeyVal struct {
@ -141,7 +147,7 @@ type KeyVal struct {
func (self *JSXEth) EachStorage(addr string) string {
var values []KeyVal
object := self.World().SafeGet(fromHex(addr))
object := self.State().SafeGet(addr)
it := object.Trie().Iterator()
for it.Next() {
values = append(values, KeyVal{toHex(it.Key), toHex(it.Value)})
@ -178,55 +184,7 @@ func (self *JSXEth) FromNumber(str string) string {
}
func (self *JSXEth) Transact(key, toStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) {
var (
to []byte
value = ethutil.NewValue(valueStr)
gas = ethutil.NewValue(gasStr)
gasPrice = ethutil.NewValue(gasPriceStr)
data []byte
)
data = fromHex(codeStr)
to = fromHex(toStr)
keyPair, err := crypto.NewKeyPairFromSec([]byte(fromHex(key)))
if err != nil {
return "", err
}
tx, err := self.XEth.Transact(keyPair, to, value, gas, gasPrice, data)
if err != nil {
return "", err
}
if types.IsContractAddr(to) {
return toHex(core.AddressFromMessage(tx)), nil
}
return toHex(tx.Hash()), nil
}
func (self *JSXEth) PushTx(txStr string) (*JSReceipt, error) {
tx := types.NewTransactionFromBytes(fromHex(txStr))
err := self.obj.TxPool().Add(tx)
if err != nil {
return nil, err
}
return NewJSReciept(core.MessageCreatesContract(tx), core.AddressFromMessage(tx), tx.Hash(), tx.From()), nil
}
func (self *JSXEth) CompileMutan(code string) string {
data, err := self.XEth.CompileMutan(code)
if err != nil {
return err.Error()
}
return toHex(data)
}
func (self *JSXEth) FindInConfig(str string) string {
return toHex(self.World().Config().Get(str).Address())
return "", nil
}
func ToJSMessages(messages state.Messages) *ethutil.List {
@ -237,3 +195,17 @@ func ToJSMessages(messages state.Messages) *ethutil.List {
return ethutil.NewList(msgs)
}
func (self *JSXEth) PushTx(encodedTx string) (string, error) {
tx := types.NewTransactionFromBytes(fromHex(encodedTx))
err := self.eth.TxPool().Add(tx)
if err != nil {
return "", err
}
if tx.To() == nil {
addr := core.AddressFromMessage(tx)
return toHex(addr), nil
}
return toHex(tx.Hash()), nil
}

57
xeth/world.go
View File

@ -1,63 +1,32 @@
package xeth
import (
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/state"
)
import "github.com/ethereum/go-ethereum/state"
type World struct {
pipe *XEth
cfg *Config
type State struct {
xeth *JSXEth
}
func NewWorld(pipe *XEth) *World {
world := &World{pipe, nil}
world.cfg = &Config{pipe}
return world
func NewState(xeth *JSXEth) *State {
return &State{xeth}
}
func (self *XEth) World() *World {
return self.world
func (self *State) State() *state.StateDB {
return self.xeth.chainManager.State()
}
func (self *World) State() *state.StateDB {
return self.pipe.chainManager.State()
func (self *State) Get(addr string) *Object {
return &Object{self.State().GetStateObject(fromHex(addr))}
}
func (self *World) Get(addr []byte) *Object {
return &Object{self.State().GetStateObject(addr)}
}
func (self *World) SafeGet(addr []byte) *Object {
func (self *State) SafeGet(addr string) *Object {
return &Object{self.safeGet(addr)}
}
func (self *World) safeGet(addr []byte) *state.StateObject {
object := self.State().GetStateObject(addr)
func (self *State) safeGet(addr string) *state.StateObject {
object := self.State().GetStateObject(fromHex(addr))
if object == nil {
object = state.NewStateObject(addr, self.pipe.obj.Db())
object = state.NewStateObject(fromHex(addr), self.xeth.eth.Db())
}
return object
}
func (self *World) Coinbase() *state.StateObject {
return nil
}
func (self *World) IsMining() bool {
return self.pipe.obj.IsMining()
}
func (self *World) IsListening() bool {
return self.pipe.obj.IsListening()
}
func (self *World) Peers() []*p2p.Peer {
return self.pipe.obj.Peers()
}
func (self *World) Config() *Config {
return self.cfg
}

174
xeth/xeth.go
View File

@ -4,178 +4,6 @@ package xeth
* eXtended ETHereum
*/
import (
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/state"
)
import "github.com/ethereum/go-ethereum/logger"
var pipelogger = logger.NewLogger("XETH")
type VmVars struct {
State *state.StateDB
}
type XEth struct {
obj core.EthManager
blockProcessor *core.BlockProcessor
chainManager *core.ChainManager
world *World
Vm VmVars
}
func New(obj core.EthManager) *XEth {
pipe := &XEth{
obj: obj,
blockProcessor: obj.BlockProcessor(),
chainManager: obj.ChainManager(),
}
pipe.world = NewWorld(pipe)
return pipe
}
/*
* State / Account accessors
*/
func (self *XEth) Balance(addr []byte) *ethutil.Value {
return ethutil.NewValue(self.World().safeGet(addr).Balance)
}
func (self *XEth) Nonce(addr []byte) uint64 {
return self.World().safeGet(addr).Nonce
}
func (self *XEth) Block(hash []byte) *types.Block {
return self.chainManager.GetBlock(hash)
}
func (self *XEth) Storage(addr, storageAddr []byte) *ethutil.Value {
return self.World().safeGet(addr).GetStorage(ethutil.BigD(storageAddr))
}
func (self *XEth) Exists(addr []byte) bool {
return self.World().Get(addr) != nil
}
// Converts the given private key to an address
func (self *XEth) ToAddress(priv []byte) []byte {
pair, err := crypto.NewKeyPairFromSec(priv)
if err != nil {
return nil
}
return pair.Address()
}
/*
* Execution helpers
*/
func (self *XEth) Execute(addr []byte, data []byte, value, gas, price *ethutil.Value) ([]byte, error) {
return self.ExecuteObject(&Object{self.World().safeGet(addr)}, data, value, gas, price)
}
func (self *XEth) ExecuteObject(object *Object, data []byte, value, gas, price *ethutil.Value) ([]byte, error) {
var (
initiator = state.NewStateObject(self.obj.KeyManager().KeyPair().Address(), self.obj.Db())
block = self.chainManager.CurrentBlock()
)
self.Vm.State = self.World().State().Copy()
vmenv := NewEnv(self.chainManager, self.Vm.State, block, value.BigInt(), initiator.Address())
return vmenv.Call(initiator, object.Address(), data, gas.BigInt(), price.BigInt(), value.BigInt())
}
/*
* Transactional methods
*/
func (self *XEth) TransactString(key *crypto.KeyPair, rec string, value, gas, price *ethutil.Value, data []byte) (*types.Transaction, error) {
// Check if an address is stored by this address
var hash []byte
addr := self.World().Config().Get("NameReg").StorageString(rec).Bytes()
if len(addr) > 0 {
hash = addr
} else if ethutil.IsHex(rec) {
hash = ethutil.Hex2Bytes(rec[2:])
} else {
hash = ethutil.Hex2Bytes(rec)
}
return self.Transact(key, hash, value, gas, price, data)
}
func (self *XEth) Transact(key *crypto.KeyPair, to []byte, value, gas, price *ethutil.Value, data []byte) (*types.Transaction, error) {
var hash []byte
var contractCreation bool
if types.IsContractAddr(to) {
contractCreation = true
} else {
// Check if an address is stored by this address
addr := self.World().Config().Get("NameReg").Storage(to).Bytes()
if len(addr) > 0 {
hash = addr
} else {
hash = to
}
}
var tx *types.Transaction
if contractCreation {
tx = types.NewContractCreationTx(value.BigInt(), gas.BigInt(), price.BigInt(), data)
} else {
tx = types.NewTransactionMessage(hash, value.BigInt(), gas.BigInt(), price.BigInt(), data)
}
state := self.chainManager.TransState()
nonce := state.GetNonce(key.Address())
tx.SetNonce(nonce)
tx.Sign(key.PrivateKey)
// Do some pre processing for our "pre" events and hooks
block := self.chainManager.NewBlock(key.Address())
coinbase := state.GetOrNewStateObject(key.Address())
coinbase.SetGasPool(block.GasLimit())
self.blockProcessor.ApplyTransactions(coinbase, state, block, types.Transactions{tx}, true)
err := self.obj.TxPool().Add(tx)
if err != nil {
return nil, err
}
state.SetNonce(key.Address(), nonce+1)
if contractCreation {
addr := core.AddressFromMessage(tx)
pipelogger.Infof("Contract addr %x\n", addr)
}
return tx, nil
}
func (self *XEth) PushTx(tx *types.Transaction) ([]byte, error) {
err := self.obj.TxPool().Add(tx)
if err != nil {
return nil, err
}
if tx.To() == nil {
addr := core.AddressFromMessage(tx)
pipelogger.Infof("Contract addr %x\n", addr)
return addr, nil
}
return tx.Hash(), nil
}
func (self *XEth) CompileMutan(code string) ([]byte, error) {
data, err := ethutil.Compile(code, false)
if err != nil {
return nil, err
}
return data, nil
}